Post Crucifixion Sacrifices?

Ezekiel 40-48 poses interesting problems for the Christian. How is it that there will be a future temple with animal sacrifices? Wasn’t Jesus the ultimate sacrifice. Paul says, “The law is only a shadow of the good things that are coming—not the realities themselves. For this reason it can never, by the same sacrifices repeated endlessly year after year, make perfect those who draw near to worship. Otherwise, would they not have stopped being offered? For the worshipers would have been cleansed once for all, and would no longer have felt guilty for their sins.But those sacrifices are an annual reminder of sins.It is impossible for the blood of bulls and goats to take away sins.

Therefore, when Christ came into the world, he said:

“Sacrifice and offering you did not desire,but a body you prepared for me;with burnt offerings and sin offeringsyou were not pleased.Then I said, ‘Here I am—it is written about me in the scroll—I have come to do your will, my God.’”

First he said, “Sacrifices and offerings, burnt offerings and sin offerings you did not desire, nor were you pleased with them”—though they were offered in accordance with the law.Then he said, “Here I am, I have come to do your will.” He sets aside the first to establish the second.And by that will, we have been made holy through the sacrifice of the body of Jesus Christ once for all.” Hebrews 10:1-10

It is possible that this animal sacrifice system is needed since there may be people born during the Millennium who haven’t lived before. Or it could be that repentance and forgiveness need to be conveyed with a personal sacrifice. Jesus’ sacrifice quarantees or resurrection. But once resurrected, we need to “work out our salvation with fear and trembling”. Salvation is a joint effort between Jesus and us. Some commentary: http://pauls-post-crucifixion-temple-sacrifices.info/sacrifices-in-the-future.html